Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Stocks Tracker:Real-time stock
Stocks Tracker - The most comprehensive stock app in the mobile world
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
54,966 ratings · Top 15%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Stocks Tracker:Real-time stock: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Stocks Tracker - The most comprehensive stock app in the mobile world. Brings you free streaming live quotes, pre-market/after-hour quotes, portfolio monitoring, advanced full screen chart, push notification based alert, economic news, event/earnings calendar, market signal scans and a lot more... Features Highlights: -Multiple watch lists -Multiple portfolios -Support all major US brokers for trading -Real-time Alerts -Real-time streaming quotes -Market single scans -Global Indexes & Currencies -Futures & Commodities -Stock Screener -Interactive chart with 50+ technical indicators -Paper Trade -News, Events & Earnings Feature Details: --------------------------------------------- -== Watchlist and real time quotes ==- --------------------------------------------- Free real-time streaming quotes, no more refresh, no more 15-20 min delay * After hour and pre-market price Create unlimited watchlists Add unlimited symbols to existing watchlist Delete/Re-order your watch list and symbols --------------------------------------------- -== Market single scans ==- --------------------------------------------- 52-week high/low Strong Volume Gainer/Losser 50/200 MA Crossover MACD Crossover RSI Oversold/Overbought Above/Below Bollinger Band SAR Buy/Sell ADX Uptrend/Downtrend Aroon Uptrend/Downtrend Gap Up/Down --------------------------------------------- -== Stock details ==- --------------------------------------------- Open, previous close, high/low, 54 week high/low, volume/avg volume Earnings info for up to past 6 quarters Next earning release date Add coming earning release date to your calendar Company news --------------------------------------------- -== Chart ==- --------------------------------------------- Simple line/candle chart 1, 5 day, 1,3,6 month and 1,2,5 year chart Advanced Chart: Intraday chart. 1min, 5min, 15min chart MACD,RSI,Bollinger bands, Stochastic ... More than 50 technical indicators and overlays --------------------------------------------- -== Portfolio tracker ==- --------------------------------------------- Create unlimited portfolios Added unlimited positions to existing portfolio Cash management Delete/Re-order your portfolio and positions Gain/Loss summary per portfolio Gain/Loss details per position Realized Gain/Loss and Gain/Loss summary in transaction log ----------------------------------------- -== Alerts ==- ----------------------------------------- Setup unlimited push notification based alert Backed by our streaming quote engine, alerts are run/triggered in seconds Setup simple alerts based on price, price change/percent, volume Trailing stop alert Price on home screen (badge) ------------------------------------------ -== News and economic events ==- ------------------------------------------ Earnings calendar Economic event calendar * real-time quotes provided by BATS, US stocks only -== Nasdaq Qutes Subscriptions ==- $.99 /month for elite member $5.99/month for non member - Subscription Auto Renewable -== Elite Membership Subscriptions ==- – VIP server – 15/30 secs chart – Extended hour chart – All full version features are included - Subscription Auto Renewable: $9.99/month – 7 Days free trial - No charge will be applied if you cancel before the trail ends – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Unused portion of a free trial period, will be forfeited when the user purchases a subscription to that publication, where applicable -Privacy & Terms of Use: https://www.stockstracker.com/terms.html
Written user reviews are not shown here. Check current App Store reviews >
Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Allow users to customize watchlist with notes or group stocks.
Assumption to check: Limited customization for watchlist stocks
Validate with people who use this workflow before building.
Hypothesis 2
Implement push notifications for real-time updates on selected stocks.
Assumption to check: Occasional data lag in stock updates
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription tiers and provide clearer benefits for each.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Integrate more diverse news sources to provide broader coverage.
Assumption to check: Limited news sources
Validate with people who use this workflow before building.
Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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BUILD KIT DIFFICULTY
Advanced
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
